Description
TVS2650 680mm Rear Cog Belt
The SCOL 680mm Rear Cog Belt is a direct replacement for Magnuson TVS2650 jackshaft supercharger systems using a 680mm rear cog belt. Built for precise fitment and dependable performance, this premium cog belt delivers positive engagement with the rear jackshaft pulleys to help maintain consistent supercharger drive and reliable boost.
Whether you’re replacing a worn belt or changing pulley ratios during a performance upgrade, this belt is designed to provide the durability and accuracy required for Magnuson TVS2650 jackshaft applications.
Why Replace Your Rear Cog Belt?
Cog belts experience constant load, heat, and stress in high-performance supercharger systems. Over time they can show signs of wear, including damaged teeth, cracking, fraying, or stretching. Replacing the belt before excessive wear develops helps maintain proper synchronization between the jackshaft and supercharger while reducing the risk of belt failure.
Installing a fresh rear cog belt during supercharger service is an inexpensive way to help ensure dependable operation.
Features
- Direct replacement for Magnuson TVS2650 jackshaft systems
- 680mm cogged belt
- Premium construction for long service life
- Positive tooth engagement for reliable power transfer
- Ideal for maintenance or pulley ratio changes
- Replaces Magnuson P/N 79-83-00-680
Compatible Rear Pulley Configurations
Designed for Magnuson TVS2650 jackshaft systems using the following rear pulley combinations:
- 30 / 30 Tooth
- 32 / 32 Tooth
- 30 / 32 Tooth
- 30 / 34 Tooth
Always verify your pulley configuration before ordering to ensure proper belt selection.
Additional Information
The rear cog belt is a critical component of the Magnuson TVS2650 jackshaft drive system. Inspect the belt regularly for damaged teeth, fraying, cracking, or excessive wear. Replacing the belt during routine maintenance or while changing pulley combinations helps maintain reliable supercharger performance and minimizes the chance of unexpected downtime.









